Battery case for a mobile device



FIG. 1 is a top perspective view of a battery case for a mobile deviceshowing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Broken lines in the drawings are for the purpose of illustratingportions of the battery case for a mobile device that form no part ofthe claimed design.

CLAIM The ornamental design for a battery case for a mobile device, asshown and described.